Whether you are buying a business or preparing to sell yours, valuation is the conversation everything else is built on. Get it wrong and you either overpay, undersell, or watch the deal fall apart when your number and the other side’s number are too far apart to bridge. This guide walks through the core methods buyers and sellers use to value a small business, the multiples you will actually see in the market, and the factors that push a valuation up or down.
Why Business Valuation Is Not Just a Number
A business valuation is not an objective truth. It is an argument. Buyers argue for a lower number. Sellers argue for a higher one. Both sides use the same methods but make different assumptions about growth, risk, and the quality of the earnings. The goal is not to find the “real” value of the business. The goal is to land on a number both parties can defend and live with.
That said, there are standard methods that create a shared framework for the negotiation. Most small business deals under $10 million use one or more of these three approaches.
Method 1: SDE Multiple (Seller’s Discretionary Earnings)
SDE is the most common valuation method for businesses under $2 million in annual revenue. It starts with your net income and adds back the owner’s salary, personal expenses run through the business, one-time costs, depreciation, amortization, and interest. The result is a normalized picture of what the business actually generates for a full-time owner-operator.
For example: your business shows $80,000 in net income. You pay yourself $120,000 in salary. You run $15,000 in personal vehicle expenses through the company. You had a $20,000 one-time legal cost last year. Your SDE is approximately $235,000.
Buyers then apply a multiple. For most main street businesses (retail, food service, local services), SDE multiples range from 1.5x to 3x. A stable, owner-operated service business with $235,000 SDE might trade at 2.5x, putting the valuation around $587,000. A business with strong systems, recurring revenue, and minimal owner dependency could push toward 3x or higher.
What Moves the SDE Multiple
- Owner dependency: If the business cannot operate without you for a week, the multiple drops. Buyers are buying a business, not a job.
- Revenue concentration: If 60% of revenue comes from one customer, expect heavy discounting.
- Trend: A business growing 20% year-over-year commands a premium. A business declining 10% per year will struggle to get 1x.
- Lease stability: A long-term, assignable lease in a good location adds value. Month-to-month uncertainty reduces it.
- Systems and documentation: Standard operating procedures, trained staff, and documented processes make a business more transferable.
Method 2: EBITDA Multiple
For businesses over $1 million to $2 million in revenue, or those with professional management teams, buyers often shift to EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization). Unlike SDE, EBITDA does not add back owner compensation because the assumption is the buyer will hire management to run the business. It is more relevant for businesses that can run without a hands-on owner.
EBITDA multiples for small businesses typically range from 3x to 6x, though they can go higher for businesses with strong recurring revenue, proprietary technology, or dominant market position. A manufacturing company doing $400,000 in EBITDA at 4x is a $1.6 million deal. The same business at 5x is $2 million. The difference in your multiple negotiation is real money.
For industry-specific EBITDA multiple benchmarks, our post on EBITDA multiples by industry breaks down typical ranges across sectors. The difference between a 3x and a 5x on the same earnings can be hundreds of thousands of dollars.
Method 3: Asset-Based Valuation
Some businesses do not generate strong earnings but hold significant tangible value. Real estate, equipment-heavy businesses, or companies with large inventories may be valued based on the fair market value of their assets minus liabilities. This method is most common for distressed businesses, asset-heavy industries like trucking or construction, or businesses being liquidated rather than operated.
Asset-based valuation is a floor, not a ceiling. If a business generates meaningful cash flow on top of its assets, buyers will typically use an earnings-based method and reference assets as a secondary check.
Method 4: Revenue Multiple
Some industries, especially software, SaaS, and high-growth tech businesses, are valued on a revenue multiple rather than earnings. This happens when the business is growing fast but not yet profitable, or when the market assigns premium value to top-line revenue because margins are expected to improve significantly at scale.
For a typical small business, revenue multiples are rare and usually lower (0.3x to 0.7x revenue) unless the business has subscription or recurring revenue. A business doing $500,000 in annual recurring revenue with high margins and low churn might command 1x to 2x revenue. A traditional brick-and-mortar business is almost never valued on revenue alone.
Adjustments That Affect Any Valuation
Once a base valuation is set, buyers and sellers negotiate adjustments based on what is discovered during the process. Common adjustments include:
- Working capital peg: The deal may include a target level of working capital (accounts receivable minus accounts payable) at closing. If the business delivers less, the price adjusts down.
- Deferred maintenance: Equipment that needs replacing, a roof that needs repair, or systems that are overdue for an upgrade all become negotiating leverage for the buyer.
- Normalized earnings disputes: Sellers often add back expenses they consider non-recurring. Buyers push back on add-backs that look like ongoing costs in disguise. This negotiation can move the number significantly.
- Real estate: If the seller owns the real estate and leases it back to the buyer, that is a separate transaction and usually adds deal complexity.
Getting a Third-Party Opinion
For any deal above $500,000, a third-party business appraisal or broker opinion of value is worth the cost. A certified business appraiser can produce a defensible valuation that holds up in negotiations, financing underwriting, and sometimes legal situations. The International Business Brokers Association (IBBA) maintains a directory of certified M&A advisors who can provide formal valuations and transaction advisory services.
If you are preparing to sell, getting a valuation 12 to 18 months before your target exit date gives you time to take action on what is dragging your number down. If you are buying, a third-party valuation protects you from overpaying in competitive situations.
Before entering any acquisition discussion, understand what the due diligence process will examine. Our guide on due diligence in M&A explains what buyers will scrutinize and how to prepare for it. The numbers behind a valuation only hold up if the supporting documentation does too.
The Honest Bottom Line
Valuation is part math, part negotiation, and part story. The math establishes a range. The negotiation determines where in that range the deal lands. The story you tell about growth potential, competitive position, and management depth either justifies a premium or exposes weaknesses a buyer will use to discount.
Know your numbers. Know your multiple. Know what is working for your valuation and what is working against it. The sellers and buyers who understand valuation deeply are the ones who close on the right terms.
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